Product: Group A Streptococci Agar (GASA)

Highly selective, the addition of a combination of different antimicrobial agents provide complete inhibition of gram-negative bacteria, as well as Staplylococci and most other Streptococci. The formula includes Beta-haemolytic enhancement factors and the addition of 5% sheep blood allow the better detection of haemolytic patterns on this improved base. The use of a bacitracin disc, (0.04 units) aids in the identification of the S. pyogenes.